For the following questions answer them individually
What is the value of
$$\frac{72 \div 9 + 3 - 6 - (2 \times 3) + 5 of 3 - (1 + 5 \times 2 - 2)}{8 \div 4 + 2 - (6 \times 8 \div 2) + (7 \times 4 - 2 \times 2)}$$?
If the volumes of two cubes are in the ratio of 64 : 125, then whatis theratio of their total surface areas?
The average of 13 numbers is 42. If a $$14^{th}$$ numberis included, then the average becomes 44. Whatis the $$14^{th}$$ number?
Radius of baseofa right circular cone and a sphere is each equal to r. If the sphere and the cone have the same volume. then what is the height of the cone?
Selling price of an article is $$\frac{8}{7}$$ of cost price. What is the profit percentage?
A number is first increased by 20% and then reduced by 15%. If the final value is 2040, then what is the initial value of the number?
The daily average rainfall on 5 days of a week is 30 mm. If the rainfall on $$6^{th}$$ and $$7^{th}$$ day are 42 mm and 25 mm respectively, then what is the average daily rainfall for the 7 days?
The Table given below presents the number of books on different subjects kept on separate shelves. Subjects with odd and even numbers are of Arts and Science respectively.
The number of books of S3 is what percent (correct to one decimal place) of the average number of Science books?